US11718276B2 - Double-use nozzle adapter - Google Patents
Double-use nozzle adapter Download PDFInfo
- Publication number
- US11718276B2 US11718276B2 US17/204,606 US202117204606A US11718276B2 US 11718276 B2 US11718276 B2 US 11718276B2 US 202117204606 A US202117204606 A US 202117204606A US 11718276 B2 US11718276 B2 US 11718276B2
- Authority
- US
- United States
- Prior art keywords
- main body
- needle
- rigid retaining
- retaining members
- threaded hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active, expires
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000000717 retained effect Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B33/00—Pumps actuated by muscle power, e.g. for inflating
- F04B33/005—Pumps actuated by muscle power, e.g. for inflating specially adapted for inflating tyres of non-motorised vehicles, e.g. cycles, tricycles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S5/00—Servicing, maintaining, repairing, or refitting of vehicles
- B60S5/04—Supplying air for tyre inflation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/001—Devices for manually or automatically controlling or distributing tyre pressure whilst the vehicle is moving
- B60C23/003—Devices for manually or automatically controlling or distributing tyre pressure whilst the vehicle is moving comprising rotational joints between vehicle-mounted pressure sources and the tyres
- B60C23/00354—Details of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/20—Check valves specially designed for inflatable bodies, e.g. tyres
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/3584—Inflatable article [e.g., tire filling chuck and/or stem]
- Y10T137/3724—With coupling means
Definitions
- the present invention relates to a nozzle adapter, and more particularly to a double-use nozzle adapter.
- Double-use adapters adapt a single inflator to both Schrader and Presta valves on, for example, bicycle tires, thereby facilitating tire inflation.
- Taiwan Patent No. 1498479 discloses a joint structure of an air nozzle for dual-purpose, which is designed to work with both Schrader and Presta nozzles for inflation.
- the known device primarily includes a main body, limit blocks, a control unit, a retaining rod, and springs.
- the main body has its one end provided with a Schrader socket and a Presta socket.
- the Presta socket has an outer diameter smaller that of the Schrader socket.
- the limit blocks are provided on the outer periphery of the main body and passes through the main body from outside.
- the control unit is rotatably installed on the main body and controls the limit blocks to prevent a Presta valve from entering or leaving the Presta socket.
- the retaining rod is slidably installed within the main body. The retaining rod is configured to move when pushed by a Presta valve.
- the spring is arranged between the main body and the retaining rod.
- the main body of the known device is provided with a slide rail for a sliding member of the control unit to slide therein.
- the control unit can be rotated to control the displacement of the limiting ends of the limit blocks.
- the nozzle adapter can also work with a Presta valve for inflation. But after the foregoing operation, the retaining rod is now limited by the control unit and prevents the Presta valve from entering the main body. To address this, the user has to push the control unit backward first to allow the retaining rod to be pushed backward by the Presta valve and allow the main body to be connected to the Presta valve. Afterward, the control unit has to be pushed forward to have the limiting ends of the limit blocks retained by the control unit, thereby preventing the engaging teeth from leaving threads on the Presta valve. Not until now the can the Presta valve be fixed in a screwed manner for subsequent inflation. It is evident that the operation for switching between use modes is far from easy and convenient with the prior-art device.
- the prior-art device requires two limit blocks and two push springs to provide the required pushing effect that allows the foregoing switching.
- Each of the limit blocks has to be provided with the engaging teeth through additional processing and during fabrication the push springs and the limit blocks need to be carefully placed in the through holes of the main body or the limit blocks may jump out of the through holes due to their resilience. All these make the prior-art device complicated in structure and time-consuming to fabricate.
- the present invention discloses a double-use nozzle adapter having advantages of easy operation, simple structure, and ready fabrication by virtue of its configuration in which a switch unit is configured to be easily rotate to make rigid retaining members engage or release a needle, thereby allowing the main body to be connected to a Schrader valve or a Presta valve.
- the present invention provides a double-use nozzle adapter, which includes a main body, a switch unit and a needle unit.
- the main body has a first end and a second end opposite to the first end along a first axis.
- the first end has a vent
- the second end has a first threaded hole and a second threaded hole that are made coaxial to each other.
- the second threaded hole and vent are communicated through an action chamber located therebetween.
- the main body has two through holes.
- the switch unit is rotatably mounted around an outer periphery of the main body.
- the switch unit includes a shifting member and two rigid retaining members. The rigid retaining member is arranged between the shifting member and the main body.
- the shifting member makes the rigid retaining member shift between a first position and a second position.
- the needle unit is slidably installed in the action chamber of the main body.
- the needle unit includes a needle.
- the shifting member drives the rigid retaining member to press against the needle, thereby preventing the needle form moving with respect to the main body and making the needle and the first threaded hole connectable to a Schrader valve.
- the rigid retaining member is movable between the shifting member and the main body along a direction of a second axis perpendicular to the first axis to make the needle move with respect to the main body, thereby making the needle and the second threaded hole connectable to a Presta valve.
- a user can operate the shifting member with a simple rotation gesture to make the rigid retaining member engage or release the needle, thereby allowing the main body to fit a Schrader valve or a Presta valve for inflation depending on the position of the needle.
- FIG. 1 is a schematic perspective view of a double-use nozzle adapter according to a first embodiment of the present invention.
- FIG. 2 is a schematic exploded view of the double-use nozzle adapter of FIG. 1 .
- FIG. 3 is a schematic cross-sectional view of the double-use nozzle adapter taken along Line 3 - 3 of FIG. 1 .
- FIG. 4 is a schematic cross-sectional view of the double-use nozzle adapter taken along Line 4 - 4 of FIG. 1 , showing a rigid retaining member set in its first position.
- FIG. 5 is an applied cross-sectional view of the double-use nozzle adapter that is now connected to a Schrader valve.
- FIG. 6 is a transverse cross-sectional view of the double-use nozzle adapter, showing the rigid retaining member set in its second position.
- FIG. 7 is an applied cross-sectional view of the double-use nozzle adapter that is now connected to a Presta valve.
- FIG. 8 is a schematic perspective view of a double-use nozzle adapter according to a second embodiment of the present invention.
- FIG. 9 is a schematic cross-sectional view of the double-use nozzle adapter of FIG. 8 .
- a double-use nozzle adapter 100 includes a main body 10 , a switch unit 20 , and a needle unit 30 .
- the needle unit 30 is installed within the main body 10 and controlled by the switch unit 20 to make the main body 10 connectable to a Schrader valve 1 or a Presta valve 2 .
- the main body 10 has a first end 11 and a second end 12 opposite to the first end 11 along a first axis L 1 .
- the first end 11 has a vent 13 communicated to an external pressurized air source (such as an air pump).
- the second end 12 has a first threaded hole 14 and a second threaded hole 15 that are made coaxial to each other.
- the second threaded hole 15 and the vent 13 are communicated to each other through an action chamber 16 located therebetween.
- the first threaded hole 14 has an inner diameter greater than the inner diameter of the second threaded hole 15 , and the second threaded hole 15 is located between the first threaded hole 14 and the action chamber 16 .
- annular recess 17 is formed between the first threaded hole 14 and the second threaded hole 15 for accommodating a seal ring 18 .
- the first threaded hole 14 is configured to work with a Schrader valve 1
- the second threaded hole 15 is configured to work with a Presta valve 2 .
- the main body 10 includes a connector 10 a and an attachment 10 b .
- the attachment 10 b is configured to attached to the connector 10 a by means of, for example, screwed connection.
- the first end 11 is formed on the connector 10 a
- the second end 12 is formed on the attachment 10 b .
- the action chamber 16 is located between the attachment 10 b and the connector 10 a .
- the attachment 10 b of the main body 10 has an outer periphery provided with two through holes 19 .
- the two through holes 19 are apart from each other along the outer periphery of the attachment 10 b by 180 degrees, and each of the through holes 19 is a circular hole that includes a large-diameter end 191 and a small-diameter end 192 .
- the switch unit 20 is rotatably mounted around the outer periphery of the main body 10 .
- the switch unit 20 includes a shifting member 21 and two rigid retaining members 22 .
- the shifting member 21 has one end mounted around where the attachment 10 b and the connector 10 a overlap and has an opposite end mounted around the attachment 10 b .
- the rigid retaining member 22 is such arranged between the shifting member 21 and the main body 10 that it corresponds to the outer periphery of the attachment 10 b .
- the shifting member 21 is configured to make the rigid retaining member 22 move between a first position and a second position.
- the shifting member 21 has two shifting grooves 211 that are curved to fit the outer periphery of the main body 10 .
- the through holes 19 have their large-diameter ends 191 facing the shifting grooves 211 , respectively.
- the rigid retaining member 22 is herein realized by two steel balls configured to be received in the shifting grooves 211 , respectively.
- Each of the shifting grooves 211 defines a first groove end 211 a and a second groove end 211 b .
- the first groove end 211 a and the second groove end 211 b are each formed with an arched profile.
- the first groove end 211 a has a radial depth smaller than the radial depth of the second groove end 211 b .
- the needle unit 30 is slidably installed in the action chamber 16 of the main body 10 .
- the needle unit 30 includes a needle 31 and a returning member 32 .
- the needle 31 has a hollow body allowing air to pass therethrough.
- One end of the needle 31 is an inflating end 311 , while the other end is formed as a socket 312 .
- the inflating end 311 is configured to be connected to a Schrader valve 1
- the returning member 32 is a spring, which has one end pressing against the bottom of the action chamber 16 and an opposite end pressing against the socket 312 .
- the returning member 32 is received in the action chamber 16 and prop between the connector 10 a and the needle 31 , so as to normally bias the needle 31 toward the second end 12 of the main body 10 .
- the needle 31 has an outer periphery formed with a circular positioning groove 313 positionally corresponding to the through holes 19 .
- the positioning groove 313 has a depth that is smaller than one half of the height of each of the two steel balls, or the rigid retaining member 22 .
- the foregoing through holes 19 have their small-diameter ends 192 facing the positioning groove 313 .
- the rigid retaining member 22 can be set in the second position. Since the radial depth of the first groove end 211 a is smaller than that of the second groove end 211 b , a margin is provided between the shifting member 21 and the attachment 10 b of the main body 10 so that the steel balls 22 are allowed to move between the shifting member 21 and the main body 10 along a direction of a second axis L 2 that is perpendicular to the first axis L 1 . This means that the steel balls 22 are now movable at the second groove ends 211 b of the shifting grooves 211 to leave their respective through holes 19 .
- the needle 31 is released by the rigid retaining member 22 and allowed to move with respect to the main body 10 .
- the Presta valve 2 entering the main body 10 pushes the needle 31 toward the first end 11 , so that the Presta valve 2 can reach to the attachment 10 b of the main body 10 in the direction of the first axis L 1 and have its threaded portion 2 a screwed into the second threaded hole 15 .
- the inflating end 311 of the needle 31 connected to the Presta valve 2 is ready to deliver air to the Presta valve 2 .
- the threaded portion 2 a of the Presta valve 2 can directly be screwed into the second threaded hole 15 to connect the Presta valve 2 to the main body 10 for subsequent inflation, without any additional manual operation of the shifting member 21 .
- the returning member 32 is compressed and when the Presta valve 2 leaves the main body 10 , the returning member 32 uses its resilience to return the needle 31 to its initial position.
- the shifting member 21 further comprises a first O-ring 40 and a second O-ring 50 mounted around the outer periphery of the attachment 10 b of the main body 10 so as to be located at two sides of the shifting grooves 211 , with the first O-ring 40 positionally corresponding to the outside of the second threaded hole 15 .
- the present invention is simple in structure and easy to operate. Specifically, a user can operate the shifting member 21 with a simple rotation gesture to make the rigid retaining member 22 engage or release the needle 31 , thereby allowing the main body 10 to fit a Schrader valve 1 or a Presta valve 2 for inflation depending on the position of the needle 31 .
- the present invention is less structurally complicated as compared to any conventional devices providing the same function.
- a Schrader valve 1 can be connected to the main body 10
- a Presta valve 2 can be inserted to get connected to the main body 10 .
- FIG. 8 and FIG. 9 depict a double-use nozzle adapter 100 according to the second embodiment of the present invention.
- a connector 10 a of a main body 10 includes a connecting section 10 a 1 and a vertical section 10 a 2 .
- the connecting section 10 a 1 is linked to an attachment 10 b .
- An action chamber 16 is located between the attachment 10 b and the connecting section 10 a 1 .
- the vertical section 10 a 2 is vertically connected to the connecting section 10 a 1 .
- a vent 13 is provided on the vertical section 10 a 2 .
- the main body 10 such configured has an alternative form for convenient use.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Nozzles (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17/204,606 US11718276B2 (en) | 2021-03-17 | 2021-03-17 | Double-use nozzle adapter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17/204,606 US11718276B2 (en) | 2021-03-17 | 2021-03-17 | Double-use nozzle adapter |
Publications (2)
Publication Number | Publication Date |
---|---|
US20220297640A1 US20220297640A1 (en) | 2022-09-22 |
US11718276B2 true US11718276B2 (en) | 2023-08-08 |
Family
ID=83285067
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US17/204,606 Active 2041-05-07 US11718276B2 (en) | 2021-03-17 | 2021-03-17 | Double-use nozzle adapter |
Country Status (1)
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US (1) | US11718276B2 (en) |
Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6105600A (en) * | 1999-10-01 | 2000-08-22 | Wang; Lopin | Inflation device comprising a connection head compatible with inflation valves of U.S. type and french type |
US6146116A (en) * | 1997-10-21 | 2000-11-14 | Wu; Scott | Pumping device with a pivotal lever for various valves |
US20050000568A1 (en) * | 2003-04-29 | 2005-01-06 | Ilya Nikolayev | Rapid access coupling system for pneumatic tires |
US7028711B1 (en) * | 2005-07-28 | 2006-04-18 | Stephanie C. Essman | Quick connecting safety coupler |
US7032613B2 (en) * | 2002-06-21 | 2006-04-25 | Zefal | Connector for an inflation device compatible with several types of valve |
US8408235B2 (en) * | 2010-08-03 | 2013-04-02 | Scott Wu | Head for air pump |
US20130291976A1 (en) * | 2012-05-03 | 2013-11-07 | Sun-Wonder Industrial Co., Ltd. | Quick-release coupling |
US20140326345A1 (en) * | 2013-05-03 | 2014-11-06 | Birzman Corp. | Connector Structure for a Schrader (American) Valve/Presta (French) Valve |
US20150298516A1 (en) * | 2014-02-18 | 2015-10-22 | Trek Bicycle Corp. | Pump head and valve stem assembly |
US9206916B1 (en) * | 2014-05-23 | 2015-12-08 | Wei-Chi Wang | Dual-purpose tire inlet valve connector |
TWI544147B (en) * | 2015-05-06 | 2016-08-01 | Long-Guo Xu | Dual quick connector construction |
US20170009922A1 (en) * | 2015-07-09 | 2017-01-12 | Lung-Kuo Hsu | Quick Connector Structure for a Pneumatic Valve |
US9989179B2 (en) * | 2016-03-22 | 2018-06-05 | Beto Engineering & Marketing Co., Ltd. | Attachment for different air valve |
US20180172167A1 (en) * | 2016-12-19 | 2018-06-21 | Birzman Corp. | Connector Structure of Air Connector Adapted to Connect Presta (French) Valve and Schrader (American) Valve |
-
2021
- 2021-03-17 US US17/204,606 patent/US11718276B2/en active Active
Patent Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6146116A (en) * | 1997-10-21 | 2000-11-14 | Wu; Scott | Pumping device with a pivotal lever for various valves |
US6105600A (en) * | 1999-10-01 | 2000-08-22 | Wang; Lopin | Inflation device comprising a connection head compatible with inflation valves of U.S. type and french type |
US7032613B2 (en) * | 2002-06-21 | 2006-04-25 | Zefal | Connector for an inflation device compatible with several types of valve |
US20050000568A1 (en) * | 2003-04-29 | 2005-01-06 | Ilya Nikolayev | Rapid access coupling system for pneumatic tires |
US7028711B1 (en) * | 2005-07-28 | 2006-04-18 | Stephanie C. Essman | Quick connecting safety coupler |
US8408235B2 (en) * | 2010-08-03 | 2013-04-02 | Scott Wu | Head for air pump |
US20130291976A1 (en) * | 2012-05-03 | 2013-11-07 | Sun-Wonder Industrial Co., Ltd. | Quick-release coupling |
US20140326345A1 (en) * | 2013-05-03 | 2014-11-06 | Birzman Corp. | Connector Structure for a Schrader (American) Valve/Presta (French) Valve |
TWI498479B (en) | 2013-05-03 | 2015-09-01 | Diro Tech Corp | Joint structure of an air nozzle for dual-purpose |
US20150298516A1 (en) * | 2014-02-18 | 2015-10-22 | Trek Bicycle Corp. | Pump head and valve stem assembly |
US9206916B1 (en) * | 2014-05-23 | 2015-12-08 | Wei-Chi Wang | Dual-purpose tire inlet valve connector |
TWI544147B (en) * | 2015-05-06 | 2016-08-01 | Long-Guo Xu | Dual quick connector construction |
US20170009922A1 (en) * | 2015-07-09 | 2017-01-12 | Lung-Kuo Hsu | Quick Connector Structure for a Pneumatic Valve |
US9989179B2 (en) * | 2016-03-22 | 2018-06-05 | Beto Engineering & Marketing Co., Ltd. | Attachment for different air valve |
US20180172167A1 (en) * | 2016-12-19 | 2018-06-21 | Birzman Corp. | Connector Structure of Air Connector Adapted to Connect Presta (French) Valve and Schrader (American) Valve |
Also Published As
Publication number | Publication date |
---|---|
US20220297640A1 (en) | 2022-09-22 |
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